Environment-friendly gas-insulated power transmission line with novel gas-solid composite insulation form

The invention discloses an environment-friendly gas-insulated power transmission line with a novel gas-solid composite insulation form, which is characterized in that on the basis of a traditional gas-insulated power transmission line GIL, a starch/polysiloxane biological composite super-electric insulating material with a three-dimensional nanopore structure is combined with insulating gas to form a gas-solid insulating medium; sF6 is replaced for filling in the metal shell layer; wherein the three-dimensional nanopore structure of the starch/polysiloxane biological composite super-electrical insulating material is filled with the insulating gas. The GIL combined with insulating gases such as CO2 and the like and filled with the environment-friendly composite insulating dielectric has excellent insulating property and dielectric property, a GIL scaling model taking CO2 as an example has the breakdown field strength as high as 36.67 kV mm , and the maximum increment is 744.44%. 本发明公开了一种具有气固复合绝缘新形式的环保型气体绝